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本文(FORD SK-M1P9009-A-2008 DECORATIVE ELECTROPLATING OF ZINC DIE CAST - MATT BLACK TO BE USED WITH FORD WSS-M99P1111-A 《锌压铸品的装饰性电镀 亚黑(和FORD WSS-M99P1111-A一起使用)》.pdf)为本站会员(李朗)主动上传,麦多课文库仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对上载内容本身不做任何修改或编辑。 若此文所含内容侵犯了您的版权或隐私,请立即通知麦多课文库(发送邮件至master@mydoc123.com或直接QQ联系客服),我们立即给予删除!

FORD SK-M1P9009-A-2008 DECORATIVE ELECTROPLATING OF ZINC DIE CAST - MATT BLACK TO BE USED WITH FORD WSS-M99P1111-A 《锌压铸品的装饰性电镀 亚黑(和FORD WSS-M99P1111-A一起使用)》.pdf

1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions Ver.4 2008 07 18 N-STATUS No Replacement Named G. Weber, FNA 2006 05 15 Revised Inserted 3.0; Deleted 3.7 & 4 1977 03 28 Released SM/EQ 8215 TP Printed copies are uncontrolled Copyright 2008, Ford Global Technologies, LLC Page 1 of 3 DECORATI

2、VE ELECTROPLATING OF ZINC DIE CAST- SK-M1P9009-A MATT BLACK SK-M1P9010-A NOT TO BE USED FOR NEW DESIGN 1. SCOPE The material defined by these specifications is for finished coatings of copper, nickel and chromium, applied by electrolytic means onto zinc die cast parts. 2. APPLICATION These specifica

3、tions were released originally for material used as coatings where matt black decorative and corrosion protective coatings are required on zinc die castings. If not otherwise specified on the drawing, all parts shall be finished with a final chromium plate. SK-M1P9009-A: INTERIOR. SK-M1P9010-A: EXTE

4、RIOR 3. REQUIREMENTS 3.0 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part producers must conform to the Companys Standard Requirements For Production Materials (WSS-M99P1111-A). 3.1 APPEARANCE If not otherwise indicated on the drawing, the parts shall have a matt black surf

5、ace. The electroplated parts shall be free from surface imperfections such as roughness, orange peel, crazing, cold shuts, pits, slivers, dullness, stains, breaks in the plate, and wheel marks and buff lines to the extent required by specifications for the visual inspection of appearance items estab

6、lished by Product Engineering. The black film need only cover significant surfaces. 3.1.1 Buffing of Chromium Plating Because of the adverse effect on corrosion resistance, buffing of final chromium plating on exterior parts is not permitted. Wax polishing is allowed. 3.2 ADHESION The plate shall ad

7、here to the base metal and show no separation when tested as follows: 3.2.1 Sawing The test part is positioned in a vice or holding fixture so that the significant plated surface is perpendicular to the saw blade and the cutting motion of the blade is in the direction which tends to pull the plating

8、 away from the base metal. ENGINEERING MATERIAL SPECIFICATION SK-M1P9009-A SK-M1P9010-A Printed copies are uncontrolled Copyright 2008, Ford Global Technologies, LLC Page 2 of 3 3.2.2 Bending Any section of the part containing a significant plated surface shall be positioned in a holding fixture and

9、 subjected to repeated bending until the section fractures. 3.2.3 Thermal Shock Test Parts shall be heated to 150 C for 1 h and rapidly quenched in water at room temperature (25 +/- 2 C). Parts shall exhibit no blistering, cracking or any loss of adhesion. 3.3 COATING THICKNESS The minimum coating t

10、hickness requirements are listed under clause 3.3.3. 3.3.1 Significant Surfaces All surfaces visible on a part as assembled in a vehicle, or surfaces which can be the source of corrosion products visible on an assembled vehicle, are significant surfaces. All significant surfaces shall meet the corro

11、sion and plating thickness requirements as detailed in 3.3.3. Any exception from this rule shall be accordingly indicated on the engineering drawing. Threads shall be completely plated, but shall not be considered as significant surfaces, unless so indicated on the engineering drawing. 3.3.2 Plating

12、 Thickness Measurement The optical measurement of copper and nickel deposits on significant surfaces shall be considered the standard thickness test method (ASTM B 487). The chromium plate thickness of significant surfaces shall be checked by coulometric measurement of the layer to ASTM B 504. In ca

13、se of dispute, a metallographic examination must be carried out on a cross section. 3.3.3 Minimum Plating Thickness and Cass Test Requirements PLATING THICKNESS mm. x 10-3 Cu Semi- Matt Total- CASS- Bright Nickel less Cr TEST Nickel Chromium (HOURS). SK-M1P9009-A & - 7 13 0.8 & SK-M1P9010-A I 8 15 1

14、C* 33 1.0 16(a) II 8 - 25 33 0.25 16(a) The variants I + II can be used alternatively unless on the drawing one variant is made mandatory. * If bright nickel is used, a lightly peening to give matt finish is necessary. ENGINEERING MATERIAL SPECIFICATION SK-M1P9009-A SK-M1P9010-A Printed copies are u

15、ncontrolled Copyright 2008, Ford Global Technologies, LLC Page 3 of 3 Note: a) For exterior die castings contacting a sheet metal part with their parting line, the Cass Test shall be made less rigorous as follows: . One corrosion spot should be deducted when the contacting parting line is 25 to 100

16、millimeters long. . Deduct two corrosion spots for each parting line 100 to 200 mm long. . For parting lines of 200 to 300 mm length, three corrosion spots shall be deducted. . For a parting line exceeding 300 mm in length, deduct four corrosion spots. b) The chromium layer must cover the surface so

17、 that discoloration is avoided. 3.4 CASS TEST This test shall be conducted as described in Ford Laboratory Test Method BQ 105-01 for the time required in 3.3.3. Failure is to be noted for surface pitting corrosion if any grid area contains more than 10 spots of 1.0 mm in diameter or larger. Any spot

18、s larger than 1.5 mm diameter shall also be considered cause for rejection. Failure of the part is to be recorded if corrosion is present on more than 2.0% of the entire significant surface. 15% or more corrosion on a grid section containing 100 squares 6 x 6 mm2 placed anywhere on the significant s

19、urface shall also constitute failure. Note: This shall apply unless otherwise indicated on the engineering drawing. 3.5 PLATING METHODS It is not intended to define the specific process to be followed. Any method of plating shall be considered suitable that produces deposits which are consistent with the requirements contained in this specification.

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